4. Networking
●Perkongsian Maklumat dan data
●Perkongsian kemudahan alat sokongan
●Penyebaran Maklumat dan berita
●Penyimpanan data (Storage)
Talian Tanpa Wayar
5. Pengenalan Networking:-
Networking adalah jaringan atau pautan
antara komputer dengan komputer.
Perhubungan ini membolehkan
pengguna menghantar dan menerima
sebarang data.(Pergerakan Data dua
Hala).
6. Pengenalan Networking:-
Komputer yang mempunyai
“Networking” atau jaringan boleh:-
1.Berkongsi Data (Data Sharing)
2.Berkongsi Pencetak
3.Ekses Internet dengan satu akaun
7. Jenis Networking:-
LAN –Local Area Network
Pelayan (server)
Jaringan dalaman sahaja, antara komputer berdekatan (satu pusat )
11. Jenis Networking:-
MAN –Metropolitan Area Network
Jaringan antara komputer dan komputer merangkumi sesuatu bandar
sahaja.Ianya lebih besar kawasannya berbanding dengan LAN
Jaringan ini kebiasaannya menggunakan kabel optik atau tanpa kabel
(wireless)
““A MAN is optimized for a larger geographical area than is a LAN,
ranging from several blocks of buildings to entire cities. As with local
networks, MANs can also depend on communications channels of
moderate-to-high data rates. A MAN might be owned and operated
by a single organization, but it usually will be used by many
individuals and organizations. MANs might also be owned and
operated as public utilities. They will often provide means for
internetworking of local networks. ”
16. Untuk membolehkan komputer berhubung antara nya
memerlukan :-
1. NIC – Network Interface Card (Kad
Jaringan)
Kad ini merupakan perantara antara Komputer dengan
komputer yang lain menggunakan kabel atau wayar.
Kad perantara komputerdengan komputer
tanpa wayar.
20. Untuk membolehkan komputer berhubung antara nya
memerlukan :-
4. Access Point- untuk jaringan tanpa wayar
21. Untuk membolehkan komputer berhubung antara nya
memerlukan :-
5. Router /Server (pelayan)
-bertindak sebagai pelayan maya (virtual server)
22.
23. Untuk membolehkan komputer berhubung antara nya dan
internet memerlukan :-
6. Modem (modulate-demodulate)
Modem – jenis dial-up- menukar isyarat analog ke digital dan
digital ke analog.
A modem (from modulate and demodulate) is a device that
modulates an analog carrier signal to encode digital
information, and also demodulates such a carrier signal to
decode the transmitted information. The goal is to produce a
signal that can be transmitted easily and decoded to reproduce
the original digital data. Modems can be used over any means
of transmitting analog signals, from driven diodes to radio.
Experiments have even been performed in the use of modems
24. Untuk membolehkan komputer berhubung antara nya dan
internet memerlukan :-
6. Modem (modulate-demodulate)
Modem dari jenis ADSL-modem jenis Broadband
25. Untuk membolehkan komputer berhubung dengan internet
memerlukan :-
7. ISP- Internet supply Provider
Contoh Pembekal Perkhidmatan Internet
27. Short for ‘wireless fidelity’. A term for
certain types of wireless local area
networks (WLAN) that use
specifications conforming to IEEE
802.11b. WiFi has gained acceptance
in many environments as an
alternative to a wired LAN. Many
airports, hotels, and other services
offer public access to WiFi networks so
people can log onto the Internet and
receive emails on the move. These
locations are known as hotspots
29. Teknik penyambungan WIFI :-
Kad PSMCIA-untuk Notebook yang
tidak mempunyai wireless bina
dalam.
USB wireless untuk kegunaan
desktop atau Notebook yang tidak
mempunyai wireless bina dalam.
33. Pekakasan dan fungsi peralatan:-
Router:-
A router is a computer networking device that
buffers and forwards data packets across an
internetwork toward their destinations, through a
process known as routing. Routing occurs at layer
3 (the Network layer e.g. IP) of the OSI seven-
layer protocol stack.
34. Pekakasan dan fungsi peralatan:-
Access Point
In computer networking, a wireless access point (WAP or AP) is a device
that connects wireless communication devices together to form a wireless
network. The WAP usually connects to a wired network, and can relay data
between wireless devices and wired devices. Several WAPs can link together
to form a larger network that allows "roaming". (In contrast, a network where
the client devices manage themselves - without the need for any access points
- becomes an ad-hoc network.) Wireless access points have IP addresses for
configuration.
35. Pekakasan dan fungsi peralatan:-
A network switch, packet switch (or just switch) connects segments of a
packet network. In the majority of cases, this is an ethernet local area network
with dozens or more stations.
The switch is an OSI layer 2 networking device that performs transparent
bridging (connection of multiple network segments with forwarding based on
MAC addresses) at up to the speed of the hardware. Common hardware
includes switches, which can connect at 10, 100, or 1000 megabits per second
(Mbit/s), at half or full duplex. Half duplex means that the device can only send or
receive at any given time, whereas full duplex can send and receive at the same
time. The use of specially designed expansion also makes it possible to have
large numbers of connections utilizing different mediums of networking, including
Ethernet, Fibre Channel name frequently used technologies.
36. Pekakasan dan fungsi peralatan:-
An ADSL transceiver, also known as a ADSL modem or DSL modem,
is a device used to connect one or more computers to a phone line, in
order to use an ADSL service. Some ADSL modems also manage the
connection and sharing of the ADSL service with a group of machines,
making an ADSL router or ADSL modem/router a more accurate
name for the device. A DSL modem acts as the ADSL Terminal Unit or
ATU-R, as the telephone companies call it. The acronym NTBBA
(network termination broad band adapter, network termination broad
band access) is also common in various countries.
ADSL Modem
37. Pekakasan dan fungsi peralatan:-
USB wireless LAN
Digunakan untuk komputer yang tidak mempunyai
kemudahan jaringan tanpa wayar
38.
39. Wifi adalah teknologi tanpa wayar yang
tidak memerlunya apa-apa penyambungan
wayar pada komputer, mudah di guna.
Pengguna boleh berada dimana sahaja di
kawasan liputan.
Tiada had penggunaan IP, boleh
disambungkan kepada banyak komputer.
40. Kelemahan Penggunaan WIFI
●Jaringan perlahan apabila bilangan pengguna
talian tanpa wayar bertambah.
●Kos permulaannya agak tinggi.
●Orang lain boleh menggunakan talian tanpa
kebenaran (jika talian tidak disekat dengan
memasukkan “Network key” )
●Memerlukan penyelenggaraan individu yang cekap
